25525552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122719}}^1$

素因数の和:122740

約数の個数: 20

約数和(自身を含む): 53260480

約数和(自身を除く): 27734928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122719, 245438, 490876, 981752, 1595347, 1963504, 3190694, 6381388, 12762776, 25525552]

約数ペア:

[(1, 25525552), (2, 12762776), (4, 6381388), (8, 3190694), (13, 1963504), (16, 1595347), (26, 981752), (52, 490876), (104, 245438), (208, 122719)]